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PMS 2023 Chemistry Paper 2
a) How will you apply the Schrodinger wave equation to a hydrogen atom.
b) Explain Principal quantum numbers (n).
a) Define Le Chatelier's principle and explain the effect of temperature and change in concentration in Haber's process.
b) Explain types of chemical equilibrium with two examples of each.
a) Define electrical conductance and describe the Wheatstone bridge system to measure the conductance.
b) What is molar conductance? Give classification of different electrolytes with examples.
a) Define radioactivity. Describe the natural and artificial radioactivity with two examples of each.
b) Describe the nature and properties of alpha (a) rays.
a) Predict the shapes of following molecules and ions on the basis of Valence Shell Electron Pair Repulsion (VSEPR) Theory
i) H2Se
ii) H3O+
iii) COCl2
iv) I3-
v) SF4
vi) IF5
a) Write IUPAC names of the following complexes:
i) Na2[HgCl4]
ii) K3[Fe(C2O4)3]
iii) [Ni(CO)2 (Ph3P)2]
iv) [Co(ONO)(NH3)5]SO4
v) [(NH3)5Cr-OH-Cr(NH3)5]Cl5
a) Explain in detail the Contact process for the manufacture of Sulphuric acid along with flow sheet diagram.
b) Define and give general formula of glass. What is meant by annealing of glass.
a) Explain Photochemical smog and Acid rain.
b) Discuss heavy metal pollution in water emphasizing on lead, mercury and cadmium.
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